Airbag control unit with part number P8622368

What does the airbag control unit P8622368 do?

The airbag control unit P8622368 controls the SRS restraint system for Volvo. It evaluates the crash sensors, decides in the event of an accident within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. It reports faults via the airbag warning light.

The housing additionally bears the manufacturer number Bosch 0285001254. The monitoring runs in the background throughout the journey.

After an accident, the unit stores crash data and locks itself.

Why does the control unit P8622368 fail?

Stored crash data is the most common cause of a failure of the P8622368, even without a triggered airbag. Aged components, cold solder joints, moisture and corrosion at plug connections, as well as voltage spikes, can also contribute.

Crash data cannot be erased with a normal diagnostic tool; Airbag24 erases it during the repair.

Voltage spikes arise, for example, from a weak battery or after a jump start. Which of the other causes applies only becomes clear during the inspection.

How can you tell that the P8622368 is defective?

A defect in the P8622368 shows itself mainly through the warning light and fault messages. In addition, there are other signs that point to a problem with the control unit.

In an emergency, airbags and seatbelt pretensioners may then fail to trigger. Typical signs are:

• airbag warning light in the instrument cluster, permanently or intermittently
• fault message in the instrument cluster
• no connection between the diagnostic tool and the control unit
• fault memory that cannot be cleared

Which vehicles is the P8622368 fitted in?

The control unit P8622368 is fitted in these vehicles: Volvo S80 TS (1998-2003) and TS Facelift (2003-2006).

The following overview shows which vehicles these are.

• Volvo S80 TS (1998-2003)
• Volvo S80 TS Facelift (2003-2006)

Comparing the part number on the label of the removed unit with this page only confirms that you have the correct unit. Whether the control unit itself is defective or a plug or cable is the cause is shown only by the fault memory read out. Therefore have it read out beforehand.

For the same vehicles, we also repair control units with the part numbers 0 285 001 456, 285001254, 285001655, 30721921, 8622368, 8645271.

How does the repair of the P8622368 work?

First have the fault memory read out and include the log. Then disconnect the battery; only then remove the P8622368. Afterwards create the repair order online.

Airbag24 checks the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. Processing usually takes 3–4 working days. Afterwards the unit returns to you.

Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit P8622368 get to Airbag24?

You ship the P8622368 as a parcel, or you book a UPS collection for an extra charge. After the repair, it comes back to you by UPS.

You put the printed repair order into the parcel and pack the unit shock-proof.